phpxmltwiliotwilio-twimltwilio-php

11200 HTTP retrieval failure

When I send an SMS to my twilio phone number I see in the logs:

Error : 11200 HTTP retrieval failure Description: An attempt to retrieve content from https://xxx.xxx.com/extapi/twilio-php/twilio.xml.php returned the HTTP status code .

Here is the content of twilio.xml.php:

<?php 
    header("content-type: application/xml");
    echo '<?xml version="1.0" encoding="UTF-8"?>';
?>
<Response>
    <Sms>test</Sms>
</Response>
Solution

  • I found the solution. I dissable SSL Certificate Validation in Twilio's account settings.